芍藥和牡丹有什麼區別
牡丹為落葉小灌木,一般株高1-2米,高者可達3米。枝多挺直。葉片寬大,互生,2回3出羽狀複葉,具長柄。頂生葉,卵圓形至倒卵圓形,先端3-5lie,jibuquanyuan,ceshengxiaoyeweichangluanyuanxing,biaomianlvse,beimianhuilvse,jubaifen,pinghuawumaohuoyouduanroumao。yaweihunheya,waiyoulinpianbaobei。huadan,liangxing,dingsheng,jing10-30厘米,雄蕊多數,心皮5。基部全被花盤包圍。萼片5,宿存,綠色。花瓣原本5-6枚,經過栽培,一部分或全部雄蕊變成花瓣,形成重瓣花。
芍藥為多年生宿根草本植物,屬於最原始的被子植物,具有原始被子植物的形態特征,如雄蕊呈螺旋狀排列、離心發育,有假種皮、蓇葖果等。芍藥根肥大,呈典型的直根係,有3種類型:1粗根型,根比較稀疏,粗大直伸;2坡根型,根粗細不勻,向四周伸展;3勻根型,根稀疏、粗細均勻。


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